Light: A Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Light, for the Use of Students of Every AgeD. Appleton, 1877 - 112 páginas |
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Página 4
... give to every teacher and scholar the knowledge of the art of experimenting . To accomplish this very desir- able object , he had invented the simplest and cheapest apparatus , and he and his scientific friends had been satisfied with ...
... give to every teacher and scholar the knowledge of the art of experimenting . To accomplish this very desir- able object , he had invented the simplest and cheapest apparatus , and he and his scientific friends had been satisfied with ...
Página 9
... work . A knowledge of the phenomena of Nature is the most important knowledge one can have who wishes to succeed in life . More than this , the observation of facts in Nature gives readiness of perception CHAPTER Introduction.
... work . A knowledge of the phenomena of Nature is the most important knowledge one can have who wishes to succeed in life . More than this , the observation of facts in Nature gives readiness of perception CHAPTER Introduction.
Página 10
... gives readiness of perception , and study and reading upon the causes of these facts stimulate the mind to healthful and pleas- urable action . The laws that govern the physical phenomena about us were not told to us by ancient gods ...
... gives readiness of perception , and study and reading upon the causes of these facts stimulate the mind to healthful and pleas- urable action . The laws that govern the physical phenomena about us were not told to us by ancient gods ...
Página 12
... give us another light . In the house we start the lamps , and they give us another light . Out - of- doors , in the dusky meadows , we see the fire - flies dart- ing about , and giving out pale sparkles of yellow light as they fly . We ...
... give us another light . In the house we start the lamps , and they give us another light . Out - of- doors , in the dusky meadows , we see the fire - flies dart- ing about , and giving out pale sparkles of yellow light as they fly . We ...
Página 13
... give out their light both day and night . The brightest of these stars is the sun . When it shines upon us , the other stars appear to be lost in the brighter light of this greater star , and we cannot see them . At night , when the sun ...
... give out their light both day and night . The brightest of these stars is the sun . When it shines upon us , the other stars appear to be lost in the brighter light of this greater star , and we cannot see them . At night , when the sun ...
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Términos y frases comunes
15.2 centimetres 551 BROADWAY ALEXANDER BAIN ALFRED MARSHALL angle angle of incidence appear beam of light beam of reflection beam of sunlight beautiful black mirror block of wood blue bright candle centi centre CHARLES BARNARD color color-top curious dark room diameter disk distance dotted lines experiment fastened flask focus FRANCIS GALTON give glass gray paper green heliostat hole Illustrations inch 25 millimetres inches 12.7 centimetres lamp lantern light entering light passes look looking-glass M. A. Cloth magic lanterns ments metres mirror mucilage phenomena picture piece plano-convex lens point of incidence postal-card Price Prof Professor rays red square reflected light refraction ring SCIENCE screen shade shadow sheet shine side slide slit smoke spot of light square stars surface things top spin tube University of Erlangen violet wall water-lens window yellow